Finding the Fourth Proportional to 331,650.18, 457,678.79 and 188,418.08
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Solution
The fourth proportional to 331,650.18, 457,678.79 and 188,418.08 is: 260,017.83
Step by Step Solution
- Step 1: Write the proportion equation
331,650.18 : 457,678.79 = 188,418.08 : x - Step 2: Convert to fraction form
331,650.18/457,678.79 = 188,418.08/x - Step 3: Cross multiply
331,650.18x = 457,678.79 × 188,418.08 - Step 4: Simplify right side
331,650.18x = 86,234,959,777.20 - Step 5: Solve for x
x = 86,234,959,777.20/331,650.18 - Step 6: Final answer
x = 260,017.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.